Schneider Electric iEM3200 Manuale Utente
iEM3100 / iEM3200 / iEM3300 series user manual
Communications via M-Bus
DOCA0005EN-04
77
Variable data structure telegram information
Fixed data header
Data record header information
Data formats used by the meter (DIF bits 3-0)
NOTE: x in the hex value is determined by bits 7-4 of the DIF.
Data function types used by the meter (DIF bits 5-4)
Primary VIF used by the meter
NOTE: E denotes the extension bit; x in the hex value is determined by bits 7-4 of the VIF.
Primary VIFE codes used by the meter
The primary VIFE codes in the table below are used by the meter when the VIF equals FD hex
(1111 1101 bin).
(1111 1101 bin).
NOTE: E denotes the extension bit; x in the hex value is determined by bits 7-4 of the VIFE.
Byte 1-4
Identification No.
Identification No.
Byte 5-6
Manufacturer
Manufacturer
Byte 7
Version
Version
Byte 8
Medium
Medium
Byte 9
Access No.
Access No.
Byte 10
Status
Status
Byte 11-12
Signature
Signature
Serial number of the meter in an
8-digit, BCD coded format
The serial number can also be
found on the meter front panel.
8-digit, BCD coded format
The serial number can also be
found on the meter front panel.
4CA3 hex =
Schneider Electric
Schneider Electric
Firmware version of the
communications board
10 = version 1.0
communications board
10 = version 1.0
02 hex (electricity)
Counter of successful
access attempts
access attempts
Indicates M-Bus
application errors
application errors
Not used
Format
bin
hex
No data
0000
x0
8-bit integer
0001
x1
16-bit integer
0010
x2
24-bit integer
0011
x3
32-bit integer
0100
x4
32-bit real
0101
x5
48-bit integer
0110
x6
64-bit integer
0111
x7
Variable length
1101
xD
Function type
bin
Instantaneous
00
Maximum
01
Primary VIF
bin
hex
Description
Energy
E000 0011
x3
Wh with a resolution of 10
0
Power
E000 1110
xE
kW with a resolution of 10
3
Time point
E110 1101
xD
Date and time in data type F, as detailed in the M-Bus
protocol documentation
protocol documentation
Bus address
E111 1010
xA
Data type C (unsigned integer), as detailed in the M-Bus
protocol documentation
protocol documentation
Primary VIFE
1111 1101
FD
Indicates that the first VIFE is a primary VIF extension
Manufacturer-specific VIFE
1111 1111
FF
Indicates that the next VIFE is manufacturer specific
Primary VIFE codes
bin
hex
Additional information
Manufacturer
E000 1010
xA
—
Model
E000 1100
xC
—
Voltage
E100 1001
x9
Volts with a resolution of 10
0
Current
E101 1100
xC
Amps with a resolution of 10
0
Digital output
E001 1010
xA
—
Digital input
E001 1011
xB
—